摘要
以滴灌为条件设置不同水肥处理,分析不同施肥、灌溉水平对灰枣果实中矿质元素含量的影响。结果表明:在灌水量中等水平条件下,增施氮肥能促进枣果对N、K素的吸收和积累,施入量过高则会抑制P素的吸收;在施入氮肥为中等水平条件下,增加土壤水分能促进枣果对P素的吸收和积累,抑制N、K素的吸收;增加土壤水分和氮素含量均可提高灰枣果实中矿质Fe、Zn、Cu、Ca和Mg的含量,Mn的含量随施入土壤中氮肥量的增加而减小。
The different treatments of water and fertilizer under drip irrigation,were designed to analyze the content of mineral elements in fruit of Huizao under coupling of water and N.The results showed that,under the condition of moderate water,it could promote the fruit of Huizao to assimilate and accumulate N,K with fertilizer N increasing,but it could restrain assimilating P.Under the condition of moderate N it could promote the fruit of Huizao to assimilate and accumulate P with soil water increasing,but it could restrain assimilating N、K.It could improve the contents of Fe,Zn,Cu,Ca,Mg in fruit of Huizao to irrigate more water and apply more N to soil.But the content of Mn reduced with fertilizer N increasing.
出处
《西南农业学报》
CSCD
北大核心
2011年第2期640-643,共4页
Southwest China Journal of Agricultural Sciences
基金
新疆自治区科技攻关(含重大专项)和重点项目计划课题"果树营养特性与水肥耦合技术研究"(200731136-5)
国家科技支撑计划子课题"枣品种优选及高效栽培技术研究与示范"(2007BAD36B07)
新疆农业大学草业与环境科学学院青年教师科研启动基金资助
土壤学自治区重点学科
关键词
滴灌
水氮耦合
灰枣
矿质元素
含量
Drip irrigation
Coupling of Water and N
Huizao
Mineral elements
Content
